Piet Mondrian artwork displayed upside down for 75 years- PublishedAn artwork by the abstract Dutch painter Piet Mondrian has been hanging upside down in various galleries for 75 years, an art historian has said.'Wrong way around'"The thickening of the grid should be at the top, like a dark sky," Meyer-Büser told The Guardian, about the unfinished and unsigned red, blue and yellow striped lattice artwork.The evidence seems to bear this theory out, as the similarly-named New York City, which is on display at Paris's Centre Pompidou, displays a thickening of lines at the top, rather than the bottom.According to the Düsseldorf gallery, His recently re-visited series of New York City paintings from 1941 and 1942, shortly before his death aged 71, was seen as "a revolution in Mondrian's strict concept of Gestalt" [shape].The gallery describes Referring to New York City I as "a lively, dynamic rhythm of coloured, red, blue and yellow stripes [which] took the place of the radically reduced pictorial language with the geometric structure and the reduction to the primary colours as well as black and white.""